1542302212220 has 192 divisors, whose sum is σ = 4151985868800. Its totient is φ = 467317693440.

The previous prime is 1542302212193. The next prime is 1542302212267. The reversal of 1542302212220 is 222122032451.

It is a super-2 number, since 2×1542302212220² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1542302212220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8809901 + ... + 8983259.

It is an arithmetic number, because the mean of its divisors is an integer number (21624926400).

Almost surely, 2^{1542302212220} is an apocalyptic number.

1542302212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1542302212220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2075992934400).

1542302212220 is an abundant number, since it is smaller than the sum of its proper divisors (2609683656580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1542302212220 is a wasteful number, since it uses less digits than its factorization.

1542302212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173548 (or 173546 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 1542302212220 its reverse (222122032451), we get a palindrome (1764424244671).

The spelling of 1542302212220 in words is "one trillion, five hundred forty-two billion, three hundred two million, two hundred twelve thousand, two hundred twenty".